Visit The Hidden Gem
A calm, education-first rock and mineral shop. Appointments preferred so we can make sure we’re in and ready to host you.
The Hidden Gem is a locally owned rock, mineral, and lapidary shop in Loomis, CA. We welcome collectors, families, hobbyists, and curious visitors from across the greater Sacramento region.
Because we’re sometimes out collecting or working on lapidary projects, a quick call or text helps ensure you get the best experience.
What to expect
- ✓A curated selection of rocks, minerals, crystals, fossils, and specimens
- ✓Petrified wood and lapidary-ready material
- ✓Honest guidance and a calm, unhurried atmosphere
Bringing Your Own Stones
Found something interesting? Bring it in. We’re happy to offer visual identification and general guidance when possible. For cutting, polishing, or cleaning services, availability may vary depending on material and workload. Calling ahead helps us guide you to the best next step.
Serving the Sacramento Region
We regularly welcome visitors from Loomis, Rocklin, Roseville, Granite Bay, Auburn, Lincoln, Citrus Heights, Folsom, and nearby foothill communities. If you’re traveling in, please reach out ahead of time so we can confirm availability.